Clinical Research Directory

Oxygen As an Acute Treatment in Alternating Hemiplegia of Childhood

Sponsor: Assistance Publique - Hôpitaux de Paris

Summary

Alternating hemiplegia of childhood (AHC) is a rare early-onset neurodevelopmental encephalopathy frequently caused by mutations in the ATP1A3 gene. It is typically characterized by a variable degree of intellectual disability, motor dysfunction and various paroxysmal events (dystonic and plegic attacks). Dystonic and plegic attacks are very disabling and current treatments are disappointing with limited efficacy and poor tolerability. The investigators recently reported the efficacy of high-flow oxygen administration (100% O2 at a flow rate of 12 L/min) as an acute treatment for the dystonic attacks in a 25-year-old patient suffering from AHC. The aim of the study is to assess the effect of high-flow oxygen administration (against placebo) as an acute treatment of dystonic and plegic attacks. The primary outcome will be the proportion of motor attacks stopped 30 minutes after the beginning of motor symptoms over 5 weeks.

Official title: Oxygen Therapy As an Acute Treatment for Dystonic And/or Plegic Attacks in Alternating Hemiplegia of Childhood

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